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Finding the Fourth Proportional to 299,482.22, 449,073.47 and 99,732.98

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Solution

The fourth proportional to 299,482.22, 449,073.47 and 99,732.98 is: 149,549.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,482.22 : 449,073.47 = 99,732.98 : x
  2. Step 2: Convert to fraction form
    299,482.22/449,073.47 = 99,732.98/x
  3. Step 3: Cross multiply
    299,482.22x = 449,073.47 × 99,732.98
  4. Step 4: Simplify right side
    299,482.22x = 44,787,435,402.04
  5. Step 5: Solve for x
    x = 44,787,435,402.04/299,482.22
  6. Step 6: Final answer
    x = 149,549.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.